Asked by brittney klann on May 10, 2024
Verified
Cardiac muscle cells
A) have smooth ER but no T tubules.
B) form the heart valves.
C) are maintained by an extensive capillary network.
D) develop a significant oxygen deficit during systole.
E) do not contain actin and myosin like skeletal muscle fibers.
Cardiac Muscle Cells
Specialized muscle cells found in the heart that contract rhythmically and involuntarily to pump blood throughout the body.
Capillary Network
A complex intertwining of capillaries supplying organs and tissues with nutrients and oxygen and removing waste products.
Oxygen Deficit
Oxygen necessary for the synthesis of the ATP required to remove lactic acid produced by anaerobic respiration.
- Familiarize oneself with the cardiac electrical processes, including action potentials in cardiac muscle cells.
- Explain the role of the heart within the circulatory system.
Verified Answer
Learning Objectives
- Familiarize oneself with the cardiac electrical processes, including action potentials in cardiac muscle cells.
- Explain the role of the heart within the circulatory system.
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